Lockheed Martin signed an agreement with Marshall Aerospace this week that makes the Cambridge, UK-based company the first in the world to be authorized to install C-130 center wing boxes. The CWB is the main load-bearing component in the C-130 airframe and is the one that largely determines the aircraft’s service life. Therefore, replacing the CWB can give the Hercules many years more life. Marshall Aerospace is already the first C-130J heavy maintenance center in the world, and the authorization for CWB work places the company well for long-term global fleet sustainment.